Adjustable seat support



Oct. 14, 1947. J. P. DE ROSE LE sm'r SUPPORT ADJUSTAB 7 Filed June 14,

5 sheets-sheet 1 z si- IT' 5!. 5 32g. 4- m ATTORNEY J. P. bi; ROSE. 2,429,017

ADJUSTABLE SEAT SUP PORT Oct. 14, 1947.

5 Shee'Ls-She e t 5 Filed June 14, 1945 \NVENTOR ATTORNEY JOHN P DsRoss Patented Oct. "14, 1947 Q E UNITED STATES PATENT OFFICE 2,429,017 AiiJtfsTABLE SEAT-stream Jehnr'. De Rose, Albany, Cent; Atpiieatieh June 14 1943, eat-mt; 490315 8 Claims; (01. 155-14) The inventitin' relates to adjustable supports tu're; havingits" base resting upon a eu'p ertmg iorseats. I v y y 7 w surface H} such as that provided by a floor 12* The general object is to'providean improved The present seat is pf a usuatupholstered type seat mounting which'perr'hits mutually inflep'end having a rigid bottom plate or frame [3 f" ent height and/or angular'ity and/or f'01e-and- 5' direct mounti'ng (in the adjustable support strucaft adjustments of the seat' with respect to its' tare, the-said sep'p rt structure having been parbase. 7 y ticularly designed for itsli nstallatioh for support- Another dbje'ct istdprev'i'dea seat repositio'm' ing a seat in a motor-driven vehicle for use'by in'g contr0'l"whieh positively assures only c'orreg the operator of the v hicle, though generally apsponding seat adjustments atthe opposite seat 10 ia'lfiea-ble-wherever typeset adjustment are adsid'es; v'anta'geeus.

A further 'dldjeetis ftdpi evide a seat moun present seat support device generally ing of the charadtfer described which is of rela-" comprises a pair 0f similar base members l4 tertiveiy simtile" and inexpensive" structure. nx h-gto theflbor l- 2 to' extend upwardly there'- The'inve ti'dn possesses othe'rob'jects) and tea 1-5 rom beneath the different seat ends, a pair of tu'res of advantage, 'somedfwhich, with'the foresimilar members 1 5 ier fixing to the seat bottor'n' geing", will be set forth or be apparent in the l odependther frem, nd front nd rear-pairsfdilowihg description of a typical embodiment of similar support pins 1 6 and H adjustably thereof, and inthe accompanying drawings, inr nqunted on one member and engaged with the which, other to-"nrdvide the support of each seat-engag Figure f is a .fra'gm'entary left-side view' of a ing merhberfi'fronithe correspondingbase memseat mounting" embodying the features of the bet-15 to p o ide or pe mit the desired seat adpresent' invention and suppdrtihg a seat from a' J The p s n base m mbers I 6011 fl 'r; I y I y Y prise "plates providedwith flanges l4 extending Figure 2 is"a' fragment'aryfleft side view (if the t an e selvth m a th ttom ed s to mounting with certain elements thereof broken provide fioor'bearmg's f r' h plates n a .me'aris away. by which-the plates may be secured to a'floor l'2 'Fig'ure'sB an'dii an taken respeetivly aft thejhreken lines 3-13 and v 6. 5 arerraeme tery section's; in rela tively'fixed -and mutually parallel relation, a's by b'dlts-fl. Themembers 1-5 comprise plates 4L4 an '5 5 n' i e'1; v provided with transverse edge flanges 15' by Figurefiisia plan view ot the mounting Strudwh h h y h y be secured to the seat bottom ture, parts thereorhem'g'troken away at differ- Bi hy e e h l th ein, in efitIevels, spaced parallel relation, for their simultaneous Figure '7 is" a setidn'alview taken at the "line" disposal pp a d adja nt the inner faces- 1. 1 in es, 5 of theplates it. i I I V Figure a tee tragmentarys 'bwing oi the seat- Ess n a y; th support :pi'ns 1:6 and H of a support structure of'Fig'u're' "1., but omits certain edperativ e pair thereof at either seat end are elements anehas the" disclosed parts arran ed 'r e 'bv a plate No J for in ep nd nt adfer the support" of a seat in a different adjusted i fi ntson the latein'upright lines while o dispo iti er'at'ively engaging the plate 15 or M, The pres Figure 9 is'ari e' larged perspective v'iew'of the n a d a ly comprise studs support assembly" ofFi'gurefl'. projecting] horizpntally' from intermediate sup- Figure 10 is an enlarged perspective viewof the po t-memb an 9 espectively nd are arsupport assemblyetiFiQuret, certain elements 4re ee f i ilppq e t eae m t upon on' being broken away. v r Q t Ilde rine faeesfprovided'by theplates- Figure .11 w en enlarged fragmentary plan tl'i i 'i heim m re 8 and w in tummouhtsection takenfiatthe lineWJ -I l in Figure '5, a dflhfh$it platesliforindependent adjust eetent element of the" assembly being inop'er i t 'e i e h q n 1-1i upajfivly disposed y n right iines-withirespectto'said plates; Near their Figure 'l2'is an enlargedffrafg'mentary upright upp'eredg'es; the"' presentbaseplates" M are prose'c'tion'takenat theili'ne'FZ YZ in'Figure 2. videdwith corresp nding forward and rear Slots The features oi present invention are shown ';andi2?whi h ex end'parallel t0 the base edges as exphddied'in'the 'strubtu'reiof al'sea't unit which d'fithe plat'es andnohstantly andslidably receive comprises a seat lha'vin'g a'bot'tom S andfla -ba'ck' the sup'iidrt ,r insf'fli rid 11 respectively for the Band m'ouhtedon an ad ju's'table'support s'truc support Of'the seat on"thebott0m slot faces for 3 its fore-and-aft adjustment, the slots 2| and 22 eing of such lengths and so be only substantially so in practice.

' noted that the members of a line to In the present front and rear pairs to the top flanges l5 of the members l5 to provide bracket supports for the flanges thereat.

action of the spring 37.

In the present structure, the seat plates l5 are disposed between the members It and I9 and the corresponding base plates M, the support pins I6 porting plates I5 and approximately radial of the hinging axes of the corresponding pins whereby to support theseat plate l5 upon the adjustably fixed member I8 or l9 which carries the dog. It will be understood, however, that the members l8 and I9 might be As particularly 7, the dogrollers as well asprovide the.

ma am;

relatively-op'r'iosfi'te ends oi: each associated pair thereof normally engaged by the associated pin carries anupwardly extendinghand lever 51; for usein "rockingthe shaft forselectively releasing front oimrear pairs of: dogs 24, the springs 31' operating.

throughthe levers 35 normally positioning the hand'leverlil .in. t

isillustrated. Theextending end of the rockshaft ASMwhich-carriesthe hand lever i may be journalled in a depending flange portion 52 of a hanger bracket 53 fixed 'to and beneath the seat bottom l3; In the present structure the. rockshaft 45 is arrangeditdb'e positioned above the top edgesotthe baseplates H for all seat settings.

Means are prcvided for insuringuniio'rm height adjustmentsof .the seatat either-its irontor rear, two. different arrangements ior theburpose being disclosed. Aspartic"larly shown in Figures 5 and 6 land-'7 and-1 9', the height adjustment controlmeans for the'- remnants the seat w comprises levers iflipivoted on the support members l 53 and having racks fie-hinged thereto-for pivotal movement about axes parallel to the seat bottom and constantly engagedrbetween-the under faces of the flanges of-rthe seat plates l5 and gears 56 mounted on a shaft journalled in'and between thehplates. 15'.) The. eXtremitiesoi the arms 58 of the levers. fi l-to which the: racks 55 are hinged atthe P111351 carryrollers "60- hich constantly undermfaces .of a the flanges 15 while positioninguthe rackscloseito said flange faces, and the. levers l5lsare; pivo ed :onthepins H at the oppostiersides oilthe pl 'tes 19 from the sup- As. particularly shown, jtearet forked to. receive therollers Bil between thefork sides,and thelpinsiB mount the hinged connection oi;-the r.acks and arms.

Arms 61.;01 the. levers 5.4 are. so engaged by; springsj2 zastol efiectlv'constant and forcible engagements of the rollers .Bm'with the under faces of flanges H3; in this manner, thehseatv is con stantly -urged to a raised P05113013. with: respect to the corresponding support pins l-I. thepins 59A=,-extend..throughslots .63 in the plates I 5 with r the enlarged heads rofgthel pins disposed at the, oppos'tegsides. of members J9;;the.engagement of the pins 59 with therear ends of the slots .53ris arranged to iunc tion asna stopgmeanstto limit. the raising ofthe seat with respect .tolthesupportpins 11. It will .uwhen the reandogs 24 vare by a I rearward-rocking or the hand... rearseat effected against the resistance of the springs 6,2,1. and must-:bernniform at the two seat ends:,bemusehothdevers #54 are automatically kept. in corresponding positions with respect to the seatithroughgthe action of the 553N131 respeet to the racks 155s,

, ills-de ribed l 1 h -.-P0..i nlng-. 0n r01 ijb is e illlflgqiiimemb m: ,limavrbei pro id d portion may l0 fcrwardly through their pivot points 6 and utilized at: andinconnection with the front; support members ing controljs shown as provided in connectionwiththe latter members. i to Figures 6 and 7 and 9, it will be noted that bellcrank levers-iiti' are pivoted to and beneath the flanges l5 for rotation about axes which are perpendicular to the flanges, said levers having corresponding arms 66 on the'different flanges respectively and having arms 61 extending members members 63- extend from pivot pins 69 on the i8; and mount rollers 5; ends and between-their sides on-pivots 11 ior'con- 'e position which or, head end portions ofthe V engagements with the flanges l5' at points thereof forwardly ofits pivot points forthelevers; Link members 12' connect the 1 l with th lever arms 61' whereby relative moveamt bearing plates l5} while therollers engage the I5 are operative to rock the levels 65. Helical springs 13f-have their extremities secured to corresponding support members l8 and links 12 to icons tantly and yieldingly urge the swinging of the members flanges 15 ina manner the seat plate thereat upon the members68 and with respect tothe front-support pins l slots 14 1310V1d6dll71 the plates V and are arranged to the rearward ends of" as'a stop means to limit the raising of the plate-with respect to the supportpins.

40 merit r support stood that the present height rollers :the. plates l5 from the 60 movements with the seat.

reference to Figure 6, it will be noted that-a rod-l5 of adjustable length connects I p the oppositely directed lever arms 66 forassuring only-corresponding and like adjust- V movements flanges 15' and: thus to efiect an mentof each otthe members [8; inonly like height adjustments of the of the'seat-plates 15 with respect'to the front pins l6-is permitted. It will be underadjustment control may be provided at theback-of the seat in lieu of the previously ,described arrangement under provided arms '58 mounting the flange-contact rollers 60 on the-pins 'Hlon the pins theseat fromsupport pins 11 and andthat the difference in'the control devices relatesparticularly to the interconnection of cor- :respondingsupport elements l8 or H! for assuring like angular positionings thereof.-

Centrally thereof, the base plates M are provided: with upwardly-facing racks 11 arranged for constant engagement by like gears l8 mountabove the plates; as'particularly shown, the racks '11 are provided by lines of perforations in flanges extending inwardly top edge portions of the base plates [4. End portions of the shaft 19 inwardly of the gears 18 slidably engage corresponding upright, slots provided inthe seat plates l5, said slots permitting a'full range of height adjustments for the. seatwh'le conf ning the shaft to fore-and-aft With the gears 18 en-- 1 8; p a dififerent height-position-- By particular referenceextend-ingrearwardly and 7 toward the plates 15. Forked'thrust' 10 at their other pivots wments of-the support members l8= and the seat flanges- (iBj rearwardlyandagainst the" i5 inthe plane such slots seat this manner;

front ends 59 and the members 68 mounting the 1| are operative equivalents as toggle struts for determining the spacing of- I 6 respectively, I

from depressed intermediate 11, the end portions of the shaft 19 beyond the a swivel connection of its upper end with the gears 18 thereon are constantly engaged with bracket plate and through a D-shaped guide members 8| WhlCh, as is brought out in Figures 1 10 opening 96 provided in the flange 81 of the mem- I 6 and I1 with respect to the seat plates I5 may flat against said face. Since the bar 95 is carrotatably and slidably receiving the pins I! in be disposed opposite said face of the member 8| the desired angular adjustments of the seat with with respect to the bar. The bar 95 is positioned respect to the plane of the pins I6 and 11, the adjacent the detent 85 and between the member members 81 are provided with suitably-positioned Si and the arm 88 in such relation to the memseat in fore-and-aft adjustment, said means betending radially upwardly from the shaft 92so said extension is provided with a line of trans- Fig. 11) and s0 permit a fore-and-aft seat adengageable for securing the adjusted seat against assembly in a gener y p rr d arran ement positioning thereof As shown, the member 8| l4 and i5 and their associated elements might be at the left side of the seat movably carries the reversedly used as seat and base members redetent 86 for the normal nro ection thereof insp tlv ly Wi h ut h nsm h essentlal 0pthereby releasably secure the seat against its ns ance, i the ass mb y 0 t e members I 4 and fore-and-aft displacement, I 15 be used in an inverted position between a seat The members 8| are formed with outturned and the supporting floor, all described elements flanges, and the outturned flange 81 of the memmay function as before, except that the support her 8| which mounts the detent 86 has a flat elements or p ns and I? Wou d then have the he member which carries it The present de members upon them at said bearing faces in the tent 86 comprises a lateral extension of the arm i ustrated manner- 88 and is freely movable through an opening 89 From the foregoing description, taken in conin the member 8i. A tension spring 98 connection with t e accom anying drawings, the

and yieldingly urging an operative disposal of understood by those skilled in the art to which fol manual actuation to rock the arm 88 for efthe features and use of an arrangement which I fecting an inoperatlve disposal of the detent durnow consider a pi eferrecl embodiment of my 1ning a rore-and-aft adlustment of the seat Tenvention, I desire to have it understood that the sion springs 9| are constantly operative between showing is primarily illustrative, and that such of the seat, whereby fore-and-aft setting adJust- I cl ments or the freed seat are arranged to be made 1 n a Sea -Suppo t ng means, a base plate (7 against the resistance of the springs 9|. disposed in upright position beneath the seat in 53 for rocking to effect the release of the detent and in parallel relation to the base plate, one said 6 when a fore or aft adjustment of the seat plate being provided with a fore-and-aft slot, a is to be made. As is particularly brought out in support pin engaging said slot transversely of the plates and slidable along the slot, and a member the plates and slidable therealong, a member hingedly mounted on the other plate and carrycarrying said pin in fixed relation to it, means ing said pin in fixed relation to it and at a point hingedly mounting said member on the other spaced from its hinging axis for the adjusted displate for adjustment about a horizontal axis posal of the pin with respect to the latter plate in for the adjusted positioning of the pin in a gena generally upright line while the pin is operative erally upright arcuate line, and releasable means in the slot for supporting the seat from the first for fixing said member in adjusted position on plate, and means for releasably fixing said memthe plate which carries it.

her in adjusted position on the plate which car- 6. In a seat-supporting means, a base plate ries it. disposed in upright position beneath the seat in 2. In a seat-supporting means, a base plate lfore-and-aft relation thereto, a support plate dedisposed in upright position beneath the seat in pending from the seat in fixed relation thereto fore-andft relation thereto, a support plate and in parallel relation to the base plate, one depending from the seat in fixed relation thereto said plate providing forward and rear horizontal and in parallel opposition to the base plate, one bearing faces, support pins engaging said faces said plate being provided with a transverse ioretransversely of the plates and slidable therealong, and-aft support face, a support pin constantly members carrying said pins in fixed relation to engaging said support face transversely of the them, means pivotally mounting said members plate and slidable along said face, a member on the other plate for independent adjustments mounting said pin in fixed relation to it, and thereof about horizontal axes for the adjusted means hingedly mounting said member on the positioning of the pins thereon in a generally upother plate for adjustment about a horizontal right arcuate line, and releasable means for fixing axis for the adjusted positioning of the pin in a said members in adjusted position on the plate generally upright arcuate line, and means for rewhich carries them.

leasably fixing said member in adjusted position A Seat Supporting Structure according to on the plate which carries it. claim 6, inwhich said bearing faces and said 3. In a seat-supporting means, a base plate pins slidable therealong provide for fore-and-aft disposed in upright position beneath the seat in adjustment of said Seat, a d me s for locking fore-and-aft relation thereto, a support plate said seat in adjusted position comprising eepe depending from the seat in fixed relation thereto so and detent elements p t v y fi up n and and adjacent the base plate, one said plate being carried by said plates, On Of S locking m nts provided with a horizontal slot and the other said being Carried by a b d p n carrying plate being provided with an upright arcuate slot members, and means Carried p n Said Seat or in crossing relation to the firstslot, a support pln releasing said detent f sa d keeper f r adengaged through both of said slots transversely justment of said seat to a new position. of the plates and longitudinally slidable in and A Seat Supporting Structure a o ding 110 along the slots, a member hingedly mounted on claim in Which S bearing faces and a the plate providing the upright slot for rotative pins slidable t e e s p ovide fo iore-and-aft adjustment about the axis of curvature of the adjustment of said seat, and me n o locking slot and carrying said pin in fixed relation to it, 40 Said Seat in adjusted p s t on comprising keep and means for releasably fixing said member in and detent elements respectively fi e upon and adjusted position on the plate which carries it. carried by said plates, one f a d lock n elements 4. In a seat-supporting means, a base plate being carried by a between d p n ca ry disposed in upright position beneath the seat in members, means Carried p a d Se t 01' refore-and-aft relation thereto, a support plate leasing Said detent m Said p r o j depending from the seat in fixed relation thereto ment of sa seat to a new posltlon, nd a a kand in parallel opposition to the base plate, one and-gear means cooperative between the Plates said plate bein provided wit f re d ,fl-, for actuation to effect a fore-and-aft adjustment slot, a support pin constantly engaging said slot of the seat when the locking means is released.

transversely thereof and slidable along the slot,

a member hingedly mounted on the other plate H ROSE- for rotative adjustment about a horizontal axis and fixedly mounting said pin thereon at a point REFERENCES CITED pa fr m d axis. n a dogging ns on The following references are of record in the the latter plate engageable with the pin-mountfil of this patent;

ing member to fix the member and pin in adjusted UNITED STATES PATENTS 5. In a seat-supporting means, a base plate dis- Number Name Date posed in upright position beneath the seat in 1,957,785 Knapp May 8, 1934 fore-and-aft relation thereto, a support plate de- 2,204,894 Johnson June 18, 1940 pending from the seat in fixed, relation thereto 2,179,129 McGregor Nov. '7, 1939 and in parallel relation to the base plate, one 2,132,009 Ball Oct. 4, 1938 said plate providing a horizontal bearing face, 2,298,351 DeRose Oct. 13, 1942 a support pin engaging said face transversely of 2,272,980 McLellan et al Feb. 10, 19.42 

